determinism & ecosystem

docs/ecosystem.md

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+# Tendermint Ecosystem
+
+The growing list of applications built using various pieces of the
+Tendermint stack can be found at:
+
+-   https://tendermint.com/ecosystem
+
+We thank the community for their contributions thus far and welcome the
+addition of new projects. A pull request can be submitted to [this
+file](https://github.com/tendermint/aib-data/blob/master/json/ecosystem.json)
+to include your project.
+
+## Other Tools
+
+See [deploy testnets](./deploy-testnets.html) for information about all
+the tools built by Tendermint. We have Kubernetes, Ansible, and
+Terraform integrations.
+
+For upgrading from older to newer versions of tendermint and to migrate
+your chain data, see [tm-migrator](https://github.com/hxzqlh/tm-tools)
+written by @hxzqlh.